Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 10 21.  Predictions up to the next  14.0 days:

     Date     Time(AURA) AURA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/23/2016   10:35:14   ( -79.31,  96.60) 10/23/2016   10:34:38  ( -79.30,  96.48)    2.62                36
 10/23/2016   11:24:31   (  79.64, -93.44) 10/23/2016   11:25:12  (  79.65, -93.38)    1.32                41
 10/26/2016   02:51:39   ( -79.49,-146.27) 10/26/2016   02:51:28  ( -79.49,-146.24)    0.65                11
 10/26/2016   03:41:00   (  79.67,  22.65) 10/26/2016   03:42:07  (  79.67,  22.56)    1.87                67
 10/28/2016   18:18:45   (  79.35, 161.00) 10/28/2016   18:17:42  (  79.36, 161.15)    3.14                63
 10/28/2016   19:08:08   ( -79.52, -30.23) 10/28/2016   19:08:23  ( -79.52, -30.30)    1.61                15
 10/31/2016   10:35:12   (  79.40, -82.76) 10/31/2016   10:34:35  (  79.41, -82.69)    1.67                37
 10/31/2016   11:24:34   ( -79.61,  86.30) 10/31/2016   11:25:15  ( -79.60,  86.17)    2.91                41
 11/03/2016   02:51:39   (  79.49,  33.68) 11/03/2016   02:51:28  (  79.49,  33.73)    1.11                11